"After Lenin's death in 1924, I used my control of the party apparatus to crush my opponents. For my de-emphasis on world revolution under the slogan 'socialism in one country' and my moderate economic policies, I was attacked by Trotsky, who was joined by two other prominent Bolsheviks: Kamenev and Zinoviev. By 1928, I had driven this leftist opposition from its party posts. Then I adopted such leftist programs as agricultural collectivization and rapid industrialization and smashed the party's right, which was led by Nikolai Bukharin. By the end of 1929, I was the undisputed master of the USSR"